浙大版《Python程序设计》题目集(第六章)
作者:互联网
ls = eval(input())
sum = 0
for t in ls:
sum = sum + t
print(sum)
num = eval(input())
count = 1
students = []
match = []
cnt = 0
while count <= num:
stu = input().split(" ")
students.append(stu)
count = count + 1
start = 0
end = len(students) - 1
while start < end:
if students[start][0] != students[end][0]:
match.append(students[start][1])
match.append(students[end][1])
students.pop(end)
start = start + 1
end = len(students) - 1
else:
end = end - 1
for t in match:
cnt = cnt + 1
if cnt % 2 == 0:
print(t)
else:
print(t,end = ' ')
strs = input()
strs = strs.replace("["," ")
strs = strs.replace("]"," ")
strs = strs.replace("("," ")
strs = strs.replace(")"," ")
strs = strs.replace(","," ")
s = ''
flag = 0
sum = 0
for str in strs:
if str == '"':
flag = flag + 1
if flag % 2 == 0 and str != '"':
s = s + str
print(s)
s = s.split()
for t in s:
sum = sum + int(t)
print(sum)
#采用递归思想实现
def deep_sum(ls,deep):
sum = 0
for i in ls:
if isinstance(i,int):
sum = sum + i * deep
elif isinstance(i,list):
sum = sum + deep_sum(i,deep + 1)
return sum
ls = eval(input())
print(deep_sum(ls,1))
def count_list(ls,deep):
count = 0
for i in ls:
if not isinstance(i,list):
count = count + 1 * deep
elif isinstance(i, list):
count = count + count_list(i,deep + 1)
return count
ls = eval(input())
print(count_list(ls,1))
def count_num(ls,deep):
count = 1
num = 0
for i in ls:
if isinstance(i,list):
count = count + 1
if count == deep:
num = num + len(i)
break
else:
num = num + count_num(i,deep - 1)
else:
if count == deep:
num = num + len(ls)
break
return num
ls = eval(input())
deep = eval(input())
print(count_num(ls,deep))
num = eval(input())
count = 1
ls = []
sum_max = 0
index = 0
while count <= num:
info = input().split(" ")
ls.append(info)
count = count + 1
sum_max = sum_max + int(ls[0][2]) + int(ls[0][3]) + int(ls[0][4])
for i in range(1,len(ls)):
if int(ls[i][2]) + int(ls[i][3]) + int(ls[i][4]) > sum_max:
sum_max = int(ls[i][2]) + int(ls[i][3]) + int(ls[i][4])
index = i
print(ls[index][1],ls[index][0],sum_max,end = '')
def all_sort(i,s = ""):
s = s + i
if len(s) < num:
for j in strs:
if j not in s:
all_sort(j,s)
else:
print(s)
num = eval(input())
strs = [str(i + 1) for i in range(num)]
for i in strs:
all_sort(i)
标签:count,deep,Python,sum,浙大,strs,num,ls,第六章 来源: https://www.cnblogs.com/centimeter73/p/15472889.html